Arnold, George. "O'Brien's Personal Characteristics." In The Poems and Stories of Fitz-James O'Brien; Collected and Edited, with a Sketch of the Author, edited by Winter, William. Boston: James R. Osgood and Company, 1881.
Frikell, Wiljalba, George Arnold, Henry Llewellyn Williams, and W.H. Cremer. The Secret Out, or, One Thousand Tricks with Cards, and Other Recreations. New York: Dick & Fitzgerald, 1899.
The Vault at Pfaff's